Who sang the theme song to Welcome Back, Kotter? What a beautiful voice.
—Joy Schriewer, New Braunfels, Texas
John Sebastian wrote and sang the theme to the popular 1970s TV series. As a member of the ’60s band The Lovin’ Spoonful, he also was the creative force behind the group’s hits “Do You Believe in Magic,” “Summer in the City,” “Make Up Your Mind” and “Nashville Cats.” Now 64, Sebastian continues to write, record and perform. He lives in upstate New York with his wife and two children.